CN202695708U - Broadband antenna - Google Patents
Broadband antenna Download PDFInfo
- Publication number
- CN202695708U CN202695708U CN 201220169243 CN201220169243U CN202695708U CN 202695708 U CN202695708 U CN 202695708U CN 201220169243 CN201220169243 CN 201220169243 CN 201220169243 U CN201220169243 U CN 201220169243U CN 202695708 U CN202695708 U CN 202695708U
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- conductor portion
- radiant section
- frequency range
- conductor
- broad
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Abstract
A broadband antenna comprises a first radiation conductor and a second radiation conductor. The first radiation conductor comprises a first conductor portion and a second conductor portion extended outwardly from the first conductor portion, wherein the first conductor portion possesses a grounding terminal. The second radiation conductor comprises a third conductor portion, and a fourth conductor portion and a fifth conductor portion electrically connected with the third conductor portion, and a feed-in terminal positioned at the joint of the third conductor portion and the fourth conductor portion, wherein the fifth conductor portion is positioned between the feed-in terminal and the grounding terminal. The second conductor portion and the third conductor portion are mutually coupled and resonant at a first frequency range; the fifth conductor portion and the first conductor portion are mutually and resonant at a second frequency range; and the third conductor portion and the fourth conductor portion are respectively resonant at a third frequency range and a fourth frequency range. According to the utility model, WWAN and GPS frequency ranges can be covered, and the dimension of the integral antenna can be effectively minimized.
Description
Technical field
The utility model relates to a kind of broad-band antenna, refer to especially a kind of resonance in WWAN (Wireless Wide AreaNetwork, radio wide area network) broad-band antenna of frequency range and GPS (Global Positioning System, global positioning system) frequency range.
Background technology
Along with the progress of science and technology, various wireless communication technologys are developed.Radio wide area network and global positioning system are two kinds of wireless communication technologys widely being used at present.The frequency range of radio wide area network works in 824MHz to 960MHz and 1710MHz to 2170MHz.The frequency range of global positioning system then is to work in 1575MHz.
On the other hand, the technology of antenna, in order to contain simultaneously the frequency range of various wireless communication technology and is suitable for being arranged in the portable electron device towards future development broadband, miniaturization.
Yet, realize the effect in broadband by the antenna frame of conventional planar inverted-F antenna (Planar Inverted-F Antenna, PIFA), can't effectively dwindle the size of antenna.Therefore, how to develop a kind of new integrated antenna, its resonance band can contain the frequency range of radio wide area network and global positioning system, and can effectively reduce whole size, so become the theme that this case further will be inquired into.
The utility model content
Therefore, the purpose of this utility model namely is to provide a kind of broad-band antenna of miniaturization, and its resonance band can contain the working frequency range of radio wide area network and global positioning system.
So broad-band antenna of the present utility model comprises: one first radiation conductor and one second radiation conductor; This first radiation conductor comprises one first conductor portion, and one by outward extending one second conductor portion of this first conductor portion, and this first conductor portion has an earth terminal; This second radiation conductor comprises one the 3rd conductor portion, is electrically connected on one the 4th conductor portion and one the 5th conductor portion of the 3rd conductor portion, and a feed side that is positioned at the junction of the 3rd conductor portion and the 4th conductor portion, the 5th conductor portion is between this feed side and this earth terminal; This second conductor portion and the 3rd conductor portion are coupled and resonate in one first frequency range, and the 5th conductor portion and this first conductor portion are coupled and resonate in one second frequency range, and the 3rd conductor portion and the 4th conductor portion resonate respectively in one the 3rd frequency range and one the 4th frequency range.
Effect of the present utility model is, resonates respectively in the first frequency range and the second frequency range by the second conductor portion and the 5th conductor portion, makes the working frequency range of multifrequency antenna can contain the low frequency frequency range of radio wide area network.And resonate respectively in the 3rd frequency range and the 4th frequency range by the 3rd conductor portion and the 4th conductor portion, make the working frequency range of multifrequency antenna can contain the working frequency range of high-frequency band and the global positioning system of radio wide area network.And can effectively dwindle the size of antenna integral body by aforesaid antenna configuration.
Description of drawings
Fig. 1 is the organigram of the first embodiment of broad-band antenna of the present utility model;
Fig. 2 shows the voltage standing wave ratio figure of the first embodiment;
Fig. 3 shows the radiation efficiency figure of the first embodiment; And
Fig. 4 is the organigram of the second embodiment of broad-band antenna of the present utility model.
The primary clustering symbol description:
100 broad-band antennas 223 the 5th radiant section
1 first radiation conductor 224 the 6th radiant section
101 spaces 23 the 5th conductor portion
11 first conductor portion 231 the 7th radiant section
111 earth terminals 232 the 8th radiant section
12 second conductor portion 233 the 9th radiant section
121 first radiant sections, 24 feed sides
122 second radiant sections, 25 flutings
2 second radiation conductor D
1The first coupling gap
21 the 3rd conductor portion D
2The second coupling gap
22 the 4th conductor portion A arrows
221 the 3rd radiant section B arrows
222 the 4th radiant sections
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present utility model, in the detailed description of following cooperation two embodiment with reference to the accompanying drawings, can clearly present.
Before the utility model is described in detail, be noted that in the following description content, similarly assembly is to represent with identical numbering.
Consult Fig. 1, Fig. 1 is the first embodiment of multifrequency antenna of the present utility model.Multifrequency antenna can be arranged at the surface of a substrate (not shown), and it comprises separately one first radiation conductor 1 and one second radiation conductor 2.
The first radiation conductor 1 roughly takes the shape of the letter U and defines a semi-open space 101, and it comprises one first conductor portion 11, and one by the first conductor portion 11 outward extending one second conductor portion 12.The first conductor portion 11 has an earth terminal 111.Earth terminal 111 can be electrically connected on the negative terminal holding wire of a coaxial transmission line (not shown) to receive ground signalling.The second conductor portion 12 is L-shaped, and has one by the first conductor portion 11 outward extending the first radiant sections 121, and second radiant section 122 that is electrically connected on the first radiant section 121.The second radiant section 122 is stretched out by the end of the first radiant section 121 away from the first conductor portion 11, and is a long straight conductor, and vertical with the first radiant section 121.
The second radiation conductor 2 is arranged in the space 101 that the first radiation conductor 1 defines, it comprises one the 3rd conductor portion 21, is electrically connected on one the 4th conductor portion 22 of the 3rd conductor portion 21 and the feed side 24 that one the 5th conductor portion 23, is positioned at the junction of the 3rd conductor portion 21 and the 4th conductor portion 22, and a fluting 25 that is formed at the junction of the 3rd conductor portion 21 and the 4th conductor portion 22.The 3rd conductor portion 21 is roughly extended in the direction of arrow B by feed side 24, and and the second radiant section 122 between have one first coupling gap D
1
The 4th conductor portion 22 is roughly extended in the direction of arrow A by feed side 24, and have one the 3rd radiant section 221, that is electrically connected on the 3rd conductor portion 21 and be electrically connected on the 3rd radiant section 221 and be electrically connected on the 4th radiant section 222 away from the 5th radiant section 223 of an end of the 3rd radiant section 221 away from the 4th radiant section 222, of an end of the 3rd conductor portion 21, and one is electrically connected on the 5th radiant section 223 away from the 6th radiant section 224 of an end of the 4th radiant section 222.In the present embodiment, the 4th radiant section 222 is vertical with the 3rd radiant section 221, and the 5th radiant section 223 is vertical with the 4th radiant section 222, and the 6th radiant section 224 is vertical with the 5th radiant section 223.
The 5th conductor portion 23 has one the 7th radiant section 231, that is electrically connected on the 3rd conductor portion 21 and is electrically connected on the 7th radiant section 231 away from the 8th radiant section 232 of an end of the 3rd conductor portion 21, and one is electrically connected on the 8th radiant section 232 away from the 9th radiant section 233 of an end of the 7th radiant section 231.The 8th radiant section 232 is a long straight conductor, and it is extended towards the first radiant section 121 away from an end of the 3rd conductor portion 21 by the 7th radiant section 231, and between feed side 24 and earth terminal 111, and and the first conductor portion 11 between have one second coupling gap D
2In the present embodiment, the 8th radiant section 232 is vertical with the 7th radiant section 231, and the 9th radiant section 233 is vertical with the 8th radiant section 232.
The anode holding wire that feed side 24 can be electrically connected on a coaxial transmission line (not shown) is with by the coaxial transmission line received RF signal, or with broad-band antenna 100 from the outside wireless signal feed-in coaxial transmission line that receives.Fluting is 25 roughly L-shaped in the present embodiment, but 25 the shape of slotting is not limited with the present embodiment.Fluting 25 is in order to forming the radiation path of annular at 24 places, contiguous feed side, and then in order to adjust the matching status of broad-band antenna 100.
Broad-band antenna 100 is when transmitting or receive signal, and the second radiant section 122 of the second conductor portion 12 and the 3rd conductor portion 21 are coupled and resonate in one first frequency range; The 8th radiant section 232 of the 5th conductor portion 23 and the first conductor portion 11 are coupled and resonate in one second frequency range; The 3rd conductor portion 21 and the 4th conductor portion 22 resonate respectively in one the 3rd frequency range and one the 4th frequency range.In the present embodiment, the first frequency range contains 800MHz, and the second frequency range contains 900MHz, and the 3rd frequency range contains 1575MHz, and the 4th frequency range contains 2100MHz.
Consult Fig. 2 and Fig. 3, Fig. 2 is the voltage standing wave ratio (VSWR) of broad-band antenna 100 under each frequency, and Fig. 3 is the radiation efficiency (Efficiency) of broad-band antenna 100 under each frequency.As shown in Figures 2 and 3, the first frequency range and the second frequency range contain the frequency range of 824MHz～960MHz jointly, namely the low frequency frequency range of radio wide area network; The 3rd frequency range and the 4th frequency range contain the frequency range of 1575MHz and 1710MHz～2170MHz, the namely high-frequency band of the working frequency range of global positioning system and radio wide area network jointly.
Consult Fig. 4, Fig. 4 is the second embodiment of broad-band antenna of the present utility model.The second embodiment is close with the first embodiment, and just the 4th conductor portion 22 does not have the 6th radiant section 224, and the 5th conductor portion 23 does not have the 9th radiant section 233.That is to say, in the situation that size allows, the terminal part of the 4th conductor portion 22 and the 5th conductor portion 23 can be not by the area of the structure decrease broad-band antenna 100 of bending.
In sum, broad-band antenna of the present utility model is coupled and resonates respectively in the first frequency range and the second frequency range with the first conductor portion 11 by the second conductor portion 12 and the coupling of the 3rd conductor portion 21 and the 5th conductor portion 23, makes the working frequency range of multifrequency antenna can contain the low frequency frequency range of radio wide area network.And resonate respectively in the 3rd frequency range and the 4th frequency range by the 3rd conductor portion 21 and the 4th conductor portion 22, make the working frequency range of multifrequency antenna can contain the working frequency range of high-frequency band and the global positioning system of radio wide area network.And broad-band antenna of the present utility model can effectively dwindle the size of integrated antenna, therefore really can reach the purpose of this utility model.
The above person of thought, only be embodiment of the present utility model, can not limit the scope that the utility model is implemented with this, be simple equivalent variations and the modification that every scope according to the utility model claims and utility model description are done, all still belong in the scope that the utility model patent contains.
Claims (10)
1. a broad-band antenna is characterized in that, this broad-band antenna comprises:
One first radiation conductor, this first radiation conductor comprises one first conductor portion, and one by outward extending one second conductor portion of this first conductor portion, this first conductor portion has an earth terminal; And
One second radiation conductor, this second radiation conductor comprises one the 3rd conductor portion, is electrically connected on one the 4th conductor portion and one the 5th conductor portion of the 3rd conductor portion, and a feed side that is positioned at the junction of the 3rd conductor portion and the 4th conductor portion, the 5th conductor portion is between this feed side and this earth terminal;
This second conductor portion and the 3rd conductor portion are coupled and resonate in one first frequency range, and the 5th conductor portion and this first conductor portion are coupled and resonate in one second frequency range, and the 3rd conductor portion and the 4th conductor portion resonate respectively in one the 3rd frequency range and one the 4th frequency range.
2. broad-band antenna according to claim 1 is characterized in that, this second radiation conductor comprises that also one is formed at the fluting of the junction of the 3rd conductor portion and the 4th conductor portion.
3. broad-band antenna according to claim 1, it is characterized in that, this second conductor portion has one by outward extending the first radiant section of this first conductor portion, and second radiant section that is electrically connected on this first radiant section, this second radiant section is vertical with this first radiant section, and resonates in this first frequency range with the coupling of the 3rd conductor portion.
4. broad-band antenna according to claim 1, it is characterized in that, the 4th conductor portion has one the 3rd radiant section, that is electrically connected on the 3rd conductor portion and is electrically connected on the 3rd radiant section and four radiant section vertical with the 3rd radiant section, and one is electrically connected on the 4th radiant section and five radiant section vertical with the 4th radiant section.
5. broad-band antenna according to claim 4 is characterized in that, the 4th conductor portion also has one and is electrically connected on the 5th radiant section and six radiant section vertical with the 5th radiant section.
6. broad-band antenna according to claim 1, it is characterized in that, the 5th conductor portion has one the 7th radiant section that is electrically connected on the 3rd conductor portion, and one be electrically connected on the 7th radiant section and eight radiant section vertical with the 7th radiant section, and the 8th radiant section is between this feed side and this earth terminal and with this first conductor portion coupling and resonate in this second frequency range.
7. broad-band antenna according to claim 6 is characterized in that, the 5th conductor portion also has one and is electrically connected on the 8th radiant section and nine radiant section vertical with the 8th radiant section.
8. broad-band antenna according to claim 1 is characterized in that, this first frequency range and this second frequency range contain the frequency range of 824MHz ~ 960MHz jointly.
9. broad-band antenna according to claim 1 is characterized in that, the 3rd frequency range and the 4th frequency range contain the frequency range of 1575MHz and 1710MHz ~ 2170MHz jointly.
10. broad-band antenna according to claim 1 is characterized in that, this first radiation conductor defines a space, and this second radiation conductor is positioned at this space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220169243 CN202695708U (en) | 2012-04-19 | 2012-04-19 | Broadband antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220169243 CN202695708U (en) | 2012-04-19 | 2012-04-19 | Broadband antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202695708U true CN202695708U (en) | 2013-01-23 |
Family
ID=47551273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220169243 Expired - Fee Related CN202695708U (en) | 2012-04-19 | 2012-04-19 | Broadband antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202695708U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241855A (en) * | 2013-06-06 | 2014-12-24 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device having same |
| TWI511381B (en) * | 2013-10-09 | 2015-12-01 | Wistron Corp | Antenna |
-
2012
- 2012-04-19 CN CN 201220169243 patent/CN202695708U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241855A (en) * | 2013-06-06 | 2014-12-24 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device having same |
| CN104241855B (en) * | 2013-06-06 | 2019-05-10 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| TWI511381B (en) * | 2013-10-09 | 2015-12-01 | Wistron Corp | Antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20200419 |